Can I modify the top quality of old images without having any size?

Most Popular top quality plants at house: question James : Can I modify the quality of old images without any size I did a lot of old pictures, before hi-def digital cameras had been for sale. Recently, I scanned the prints on a disk so that I would have digital copies in case some thing occurs to the originals. But now I wonder, with all the advances in software, is there a way to boost the quality of these pictures with out loss of worth. The key point is that I want to zoom and crop for

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